Papers by Junyang Wang

23 papers
Turning the Tide: Repository-based Code Reflection (2025.findings-emnlp)

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Challenge: Code large language models (LLMs) enhance programming by understanding and generating code across languages.
Approach: a new benchmark evaluates code understanding and generation in repositories using code large language models.
Outcome: The proposed model improves code understanding and generation in repositories by evaluating 1,888 test cases across 6 programming languages.
Table-as-Search: Agentic Information Seeking is Table Completion (2026.findings-acl)

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Challenge: Current Information Seeking (InfoSeeking) agents struggle to maintain focus and coherence during long-horizon exploration, as tracking search states within one plain-text context is inherently fragile.
Approach: They propose a structured planning framework that reformulates the InfoSeeking task as a Table Completion task.
Outcome: The proposed framework outperforms state-of-the-art frameworks across three kinds of benchmarks, including multi-agent framework and commercial systems.
Confidence v.s. Critique: A Decomposition of Self-Correction Capability for LLMs (2025.acl-long)

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Challenge: Existing approaches to improve self-correction performance of Large Language Models are based on intrinsic selfcorrectione, which allows the model to check and revise its selfgenerated answers without external feedback.
Approach: They propose to decompose the self-correction capability into confidence and critique capabilities and a metric for overall self-corretion capability evaluation.
Outcome: The proposed method outperforms vanilla SFT and achieves much higher accuracy after self-correction.
Outcome Accuracy is Not Enough: Aligning the Reasoning Process of Reward Models (2026.acl-long)

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Challenge: Recent studies observe a phenomenon where reward models achieve high accuracy on static datasets but fail to generalize effectively during RLHF.
Approach: They propose a method that combines rationale consistency with outcome accuracy to improve performance on RM-Bench and JudgeBench.
Outcome: The proposed method surpasses baselines on RM-Bench and JudgeBench by an average of 5% and improves creative writing tasks by 7%.
PLAWBENCH: A Rubric-Based Benchmark for Evaluating LLMs in Real-World Legal Practice (2026.acl-long)

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Challenge: Existing benchmarks for large language models (LLMs) are coarse, single-dimensional metrics and do not explicitly assess fine-grained legal reasoning.
Approach: They propose a Practical Law Benchmark to evaluate large language models in real-world legal practice scenarios.
Outcome: The proposed model is based on 850 questions and 13 scenarios with expert-designed evaluation rubrics.
Demons in the Detail: On Implementing Load Balancing Loss for Training Specialized Mixture-of-Expert Models (2025.acl-long)

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Challenge: Existing Mixture-of-Experts training frameworks use a micro-batch to calculate LBL . micro-batches are restricted to a single sequence, preventing expert specialization .
Approach: They propose to use a global-batch to loosen the load balance constraint for MoEs models . they propose to synchronize fi across micro-batches and then use it to calculate the LBL .
Outcome: The proposed global-batch LBL improves the domain specialization of experts . the micro-battery LBL is almost at the sequence level, and the router is pushed to distribute the token evenly .
START: Self-taught Reasoner with Tools (2025.emnlp-main)

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Challenge: Large Reasoning Models (LRMs) have demonstrated remarkable capabilities in complex reasoning through long chain-of-thought, yet they struggle with precise computations and algorithmic operations.
Approach: They propose a training-free approach that activates LRMs’ latent tool-use capabilities through artificial hints and a framework that enables models to learn effective tool utilization through diverse hint patterns and rejection-based data synthesis.
Outcome: Experiments show that START significantly improves state-of-the-art LRMs across challenging benchmarks, including competition-level mathematics (AMC23: 95.0%, AIME24: 75.6%) and graduate-level science questions (GPQA: 64.6%).
Sketch and Refine: Towards Faithful and Informative Table-to-Text Generation (2021.findings-acl)

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Challenge: Existing methods for table-to-text generation suffer from poor faithfulness and low coverage.
Approach: They propose a method that combines Autoregressive and Non-Autoregressive generation to generate a table-to-text from a key-value table using a skeleton and an edit-based non-autoregressively generation model.
Outcome: The proposed method outperforms the existing methods on WikiPerson and WikiBio datasets on coverage and faithfulness.
HellaSwag-Pro: A Large-Scale Bilingual Benchmark for Evaluating the Robustness of LLMs in Commonsense Reasoning (2025.findings-acl)

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Challenge: Existing studies show that large language models are robust in commonsense reasoning . however, some variations in questions can lead to incorrect responses .
Approach: They propose a large-scale bilingual benchmark consisting of 11,200 cases . they conduct extensive experiments on 41 representative LLMs .
Outcome: The proposed benchmark systematically evaluates the robustness of large language models in commonsense reasoning.
Parsing Natural Language into Propositional and First-Order Logic with Dual Reinforcement Learning (2022.coling-1)

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Challenge: Existing methods to parse natural language into structured logical expressions have limitations due to paucity of labeled data.
Approach: They propose a scoring model to automatically learn a model-based reward . they also propose introducing a Chinese-PL/FOL dataset to compensate for paucity of labeled data .
Outcome: The proposed model outperforms competitors on several datasets.
Bag-of-Words as Target for Neural Machine Translation (P18-2)

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Challenge: Existing neural machine translation models only use one correct sentence as the target, and the other correct sentences are punished as the incorrect ones.
Approach: They propose an approach that uses both the sentences and the bag-of-words as targets in the training stage to encourage the model to generate the potentially correct sentences that are not appeared in the train set.
Outcome: The proposed model outperforms baseline models on a Chinese-English translation dataset by the BLEU score of 4.55.
Prompt Tuning for Unified Multimodal Pretrained Models (2023.findings-acl)

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Challenge: Prompt tuning has demonstrated success in natural language pretraining and even vision pretraining.
Approach: They propose to apply prompt tuning to a unified sequence-to-sequence pretrained model by adding a sequence of learnable embeddings to each layer and finetuning the pretrained models on downstream tasks.
Outcome: The proposed method outperforms other parameter-efficient tuning methods on multimodal models and is robust against adversarial attacks.
A Probabilistic Inference Scaling Theory for LLM Self-Correction (2025.emnlp-main)

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Challenge: Large Language Models (LLMs) have demonstrated the capability to refine their generated answers through self-correction, enabling continuous performance improvement over multiple rounds.
Approach: They propose a probabilistic theory to model the dynamics of accuracy change and explain performance improvements observed in multi-round self-correction.
Outcome: The proposed model can predict accuracy curves and improve accuracy over multiple rounds.
Rationales Are Not Silver Bullets: Measuring the Impact of Rationales on Model Performance and Reliability (2025.findings-acl)

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Challenge: Existing studies have shown that training language models with rationales augmentation is beneficial, but this view does not hold consistently.
Approach: They conduct comprehensive investigations to thoroughly inspect the impact of rationales on model performance and a novel perspective of model reliability.
Outcome: The proposed method outperforms untrained models in several areas and provides informative regulations on the broad utilization of rationales.
InSerter: Speech Instruction Following with Unsupervised Interleaved Pre-training (2025.acl-long)

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Challenge: Recent advances in speech large language models exhibit suboptimal performance in adhering to speech instructions.
Approach: They propose a method to pre-train large-scale unsupervised speech-text sequences . they use text-to-speech conversion to generate textual continuations corresponding to provided speech segments .
Outcome: The proposed model achieves superior or competitive results across diverse speech processing tasks.
RemoteRAG: A Privacy-Preserving LLM Cloud RAG Service (2025.findings-acl)

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Challenge: Large language models (LLMs) have a tendency to generate factually incorrect or purely fictional responses, a phenomenon known as hallucination.
Approach: They propose to use remote RAG to protect user query from privacy leakage . they introduce (n,)-DistanceDP to characterize privacy leakages of user query .
Outcome: The proposed solution can resist embedding inversion attacks while achieving no loss in retrieval under various settings.
Autoencoder as Assistant Supervisor: Improving Text Representation for Chinese Social Media Text Summarization (P18-2)

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Challenge: Existing abstractive text summarization models learn a semantic representation of the source text and the summaries from it.
Approach: They evaluate the model on a popular Chinese social media dataset and compare it to other models.
Outcome: The proposed model achieves state-of-the-art performance on a popular Chinese social media dataset.
From Completion to Editing: Unlocking Context-Aware Code Infilling via Search-and-Replace Instruction Tuning (2026.acl-long)

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Challenge: Fill-in-the-Middle (FIM) models suffer from performance degradation and prohibitive latency.
Approach: They propose a search-and-replace infilling framework that integrates agentic verification and editing into a single-pass inference process.
Outcome: The proposed framework harmonizes completion tasks with the instruction-following priors of Chat LLMs, extending the paradigm from static infilling to dynamic context-aware editing.
Transferring General Multimodal Pretrained Models to Text Recognition (2023.findings-acl)

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Challenge: Existing methods for text recognition rely on large-scale pretraining on human-annotated or synthetic data.
Approach: They propose a method to transfer multimodal pretrained models to text recognition using image captioning.
Outcome: The proposed method outperforms the baselines and achieves state-of-the-art performance in the Chinese text recognition benchmark.
An Effective Deployment of Diffusion LM for Data Augmentation in Low-Resource Sentiment Classification (2024.emnlp-main)

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Challenge: Existing models for textual data augmentation (DA) are highly data-hungry and struggle to perform satisfactorily under noisy conditions.
Approach: They propose to leverage a diffusion language model to capture in-domain knowledge and generate pseudo samples by reconstructing strong label-related tokens.
Outcome: The proposed method captures in-domain knowledge and generates pseudo samples by reconstructing strong label-related tokens.
SpeechLLM-as-Judges: Towards General and Interpretable Speech Quality Evaluation (2026.acl-long)

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Challenge: Existing methods for evaluating the perceptual quality of synthetic speech are limited due to the complexity of perceptual quality factors and the diversity of speech generation tasks.
Approach: They propose a new paradigm for enabling large language models to conduct structured speech quality evaluation using a large-scale dataset.
Outcome: The proposed model performs well across tasks and languages.
Imitation Learning for Non-Autoregressive Neural Machine Translation (P19-1)

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Challenge: Existing non-autoregressive translation models lack parallel decoding, which is a bottleneck for NMT decoding.
Approach: They propose a framework for non-autoregressive machine translation that emulates the autoregressive model by sampling sentence length in parallel.
Outcome: The proposed model achieves 31.85 BLEU on WMT16 RoEn and 30.68 BLUE on IWSLT16 EnDe on the IWSLD16, WMT14 and WMT15 datasets.
LightMoE: Task-Aware Expert Availability Management for Memory-Efficient MoE-LLM Inference (2026.findings-acl)

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Challenge: Existing solutions for balancing model accuracy with inference latency are limited due to memory constraints.
Approach: They propose a framework for memory-efficient MoE inference that exploits the functional redundancy and temporal locality of expert activation.
Outcome: The proposed framework improves accuracy-efficiency trade-off by 4.3% over pruned models and 2.4% over dynamic swapping methods while maintaining inference latency comparable to pruned model.

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